content/xul/templates/src/nsXULTemplateResultSetRDF.h
author David Anderson <danderson@mozilla.com>
Wed, 05 Oct 2011 18:37:11 -0700
changeset 105226 cad26d2fb5af799dfe030fd2a8948d617eac2f52
parent 77799 e7854b4d29ba905ae3994f821b160c989bac4260
child 105229 8cfeba5239a9e4f20c462d6fb20421b4e4e7c735
permissions -rw-r--r--
Backout merge.

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * The Initial Developer of the Original Code is Neil Deakin
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#ifndef nsXULTemplateResultSetRDF_h__
#define nsXULTemplateResultSetRDF_h__

#include "nsFixedSizeAllocator.h"
#include "nsISimpleEnumerator.h"
#include "nsRuleNetwork.h"
#include "nsRDFQuery.h"
#include "nsXULTemplateResultRDF.h"

class nsXULTemplateQueryProcessorRDF;
class nsXULTemplateResultRDF;

/**
 * An enumerator used to iterate over a set of results.
 */
class nsXULTemplateResultSetRDF : public nsISimpleEnumerator
{
private:
    nsXULTemplateQueryProcessorRDF* mProcessor;

    nsRDFQuery* mQuery;

    const InstantiationSet* mInstantiations;

    nsCOMPtr<nsIRDFResource> mResource;

    InstantiationSet::List *mCurrent;

    PRBool mCheckedNext;

public:

    // nsISupports interface
    NS_DECL_ISUPPORTS

    // nsISimpleEnumerator interface
    NS_DECL_NSISIMPLEENUMERATOR

    nsXULTemplateResultSetRDF(nsXULTemplateQueryProcessorRDF *aProcessor,
                              nsRDFQuery* aQuery,
                              const InstantiationSet* aInstantiations)
        : mProcessor(aProcessor),
          mQuery(aQuery),
          mInstantiations(aInstantiations),
          mCurrent(nsnull),
          mCheckedNext(PR_FALSE)
    { }

    ~nsXULTemplateResultSetRDF()
    {
        delete mInstantiations;
    }
};

#endif // nsXULTemplateResultSetRDF_h__